Pentane n-Pentane Cas 109-66-0

CAS Number

109-66-0

Molecular Formula

C5H12

Also known as:

n-Pentane

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Product Description

Product Introduction

n-Pentane (CAS 109-66-0) is a straight-chain alkane (C₅H₁₂), a highly volatile and non-polar hydrocarbon
It is widely used as a solvent, a blowing agent in plastics, a reference standard for gas chromatography, and as a component in chemical synthesis

Applications & Descriptions

  1. Solvent
    n-Pentane is used as a non-polar solvent for lipids, non-polar resins, and certain organic extractions due to its low polarity and high volatility

  2. Blowing Agent for Foams
    Used in the production of flexible and rigid foams (e.g., integral-skin foams) because of its volatility and low boiling point

  3. Gas Chromatography Standard
    High-purity n-pentane is employed as a reference substance or standard in GC analyses

  4. Fuel / Fuel Additive
    Applied in some fuel blends or as a high-volatility component in specialty fuel formulations

  5. Chemical Intermediate
    Used in organic synthesis to produce amyl derivatives, or as a reference hydrocarbon in research

Technical Parameters

Parameter Value
Melting point -130 °C
Boiling point 36 °C
density 0.626 g/mL at 25 °C(lit.)
vapor density 2.48 (vs air)
vapor pressure 26.98 psi ( 55 °C)
refractive index n20/D 1.358
Fp −57 °F
storage temp. Store at +5°C to +30°C.
solubility ethanol: soluble(lit.)
pka >14 (Schwarzenbach et al., 1993)
form Liquid
color Colorless
Specific Gravity 0.63
Relative polarity 0.009
Odor Like a gasoline.
Odor Threshold 1.4ppm
explosive limit 1.4-8%(V)
Water Solubility insoluble

Applications

Coating Cosolvents
Foaming Agents/Stabilizers
Precision Cleaners

Quick Information

EINECS 203-692-4
Molecular Weight 72.15 g/mol

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